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● 接发球看起来十分简单,可是却常常会出现意外的失误,怎样减少失误而使接发球变成自己的有力武器呢?本期将从步法到接发球战略为你出招。
● serve the ball looks very simple, but often there will be unexpected mistakes, how to reduce the mistakes made to serve the ball into their own powerful? This issue from the step method to take the ball strategy for you to move.